import numpy as np
import cv2 as cv
# Create a white
img =np.ones((512,512,3),np.uint8)*255
circle=50
center=(round(img.shape[1]/2),round(img.shape[0]/4))
radius= 50
color=(0,0,255)
thinknessPx=-1
cv.circle(img,center,radius,color,thinknessPx)
cv.imshow("img",img)
cv.waitKey(0)
cv.destroyAllWindows()